Prediction of turbulent free shear flow statistics using a simple stochastic model
One-dimensional turbulence, a stochastic simulation of turbulent flow evolution based on application of a mixing-length-type hypothesis to individual turbulent eddies, is used to predict transverse profiles of single-point statistics up to third order for two time-developing planar free shear flows,...
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| Veröffentlicht in: | Physics of fluids (1994) 2000-02, Vol.12 (2), p.418-424 |
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| container_end_page | 424 |
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| container_issue | 2 |
| container_start_page | 418 |
| container_title | Physics of fluids (1994) |
| container_volume | 12 |
| creator | Kerstein, Alan R. Dreeben, Thomas D. |
| description | One-dimensional turbulence, a stochastic simulation of turbulent flow evolution based on application of a mixing-length-type hypothesis to individual turbulent eddies, is used to predict transverse profiles of single-point statistics up to third order for two time-developing planar free shear flows, a mixing layer and a wake. Comparison of computed results to statistics obtained from direct numerical simulations of these flows indicates that the model, despite its simplicity, captures important features of turbulent free shear flow structure. Implications concerning the possible universality of some aspects of turbulent shear flow are discussed. |
| doi_str_mv | 10.1063/1.870319 |
| format | Article |
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Comparison of computed results to statistics obtained from direct numerical simulations of these flows indicates that the model, despite its simplicity, captures important features of turbulent free shear flow structure. Implications concerning the possible universality of some aspects of turbulent shear flow are discussed.</abstract><cop>United States</cop><doi>10.1063/1.870319</doi><tpages>7</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1070-6631 |
| ispartof | Physics of fluids (1994), 2000-02, Vol.12 (2), p.418-424 |
| issn | 1070-6631 1089-7666 |
| language | eng |
| recordid | cdi_osti_scitechconnect_20215071 |
| source | AIP Journals Complete; AIP Digital Archive |
| subjects | CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY FLUCTUATIONS FLUID FLOW LAYERS MIXING SHEAR SIMULATION STOCHASTIC PROCESSES THEORETICAL DATA TURBULENCE |
| title | Prediction of turbulent free shear flow statistics using a simple stochastic model |
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